[특허]Break-away buckle for a child restraint

Artsana USA, Inc

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Break-away buckle for a child restraint

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60R-022/00 A44B-011/25 B60R-022/12 B60R-022/32
미국특허분류(USC)	280/808; 024/579.11; 024/615; 024/625; 024/630
출원번호	US-0448835 (2014-07-31)
등록번호	US-8991867 (2015-03-31)
발명자 / 주소	Longenecker, Michael L. Dillner, James M.
출원인 / 주소	Artsana USA, Inc
인용정보	피인용 횟수 : 1 인용 특허 : 15

초록
▼

A buckle for a child safety seat comprising a body having an opening for receiving and selectively retaining in position a tang portion of a first belt portion connector, a loop element for connecting a second belt portion, the loop element engaging the tang portion to connect the first and second belt portions, the loop element comprising a base with a pair of legs extending therefrom and abutting at distal ends at a split surface. Each leg includes an anti-spread tab extending generally perpendicularly from the leg configured to engage the opening when the buckle is operably assembled to prevent separation of the split surface and retain the loop element engaged on the tang portion. The anti-separation tabs allow separation of the split surface as the tang is partially withdrawn from the opening so that the lop portion may be disengaged from the tang by movement generally transverse to the tang.

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청구항
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1. A buckle for connecting free ends of harness belts in a child safety seat comprising: a main body having a receptacle with an outer face;a lap belt connector having an elongate tang extending along an insertion axis from a base arranged generally perpendicular thereto, the tang being configured to be partially received by the receptacle by movement along the insertion axis toward the outer face; anda shoulder belt connector having a pair of flexible legs downwardly extending toward distal ends to form, when unflexed, an aperture through which the tang may be positioned to engage the shoulder belt connector on the lap belt connector, when flexed allowing the distal ends to be spaced apart and the tang to pass between the distal ends, each leg further having a retainer tab extending from the respective leg parallel to the insertion axis;the lap belt connector being insertable into the receptacle with the shoulder belt connector legs positioned around the tang and between the base and the outer face and in adjacent contact therewith causing the retainer tabs to extend into the receptacle and prevent the legs from flexing away from the tang and securing the shoulder belt connector to the lap belt connector, partially retracting the tang from the receptacle to withdraw the retainer tabs from the receptacle enabling the legs to be flexed and the tang to pass between the distal ends and so that the shoulder belt connector may be disengaged from the lap belt connector by movement non-parallel to the insertion axis. 2. The buckle of claim 1, wherein the tang further comprises at least one retainer tab adjacent to the base, and at least one leg further comprises an interlocking wedge with a stop face, the stop face engaging the at least one retainer tab when the shoulder belt connector is in adjacent contact with the base to inhibit movement of the shoulder belt connector away from the base along the insertion axis. 3. The buckle of claim 2, wherein the interlocking wedge engages the at least one retainer as the shoulder belt connector is moved along the insertion axis toward the base to flex the legs to flex the legs outwardly away from the tang until the stop face engages the at least one retainer and the legs return to an unflexed position. 4. The buckle of claim 2, wherein each retainer tab further includes an upwardly oriented first ramped surface to interact with the tang to flex the leg outwardly away from the tang when retainer tab is disengaged from the receptacle and the shoulder belt connector is moved generally upwardly perpendicularly to the insertion axis. 5. The buckle of claim 4, wherein each retainer tab further includes a downwardly oriented second ramped surface to interact with the tang to flex the leg outwardly away from the tang to allow the shoulder belt connector to be engaged on the tang when shoulder belt connector is moved generally downwardly perpendicularly to the insertion axis. 6. The buckle of claim 1, wherein the main body further comprises a locking mechanism to retain the tang in the receptacle and enable selective release of the tang. 7. The buckle of claim 1, further comprising a second receptacle, a second lap belt connector, and a second shoulder belt connector mirroring the receptacle, lap belt connector, and shoulder belt connector. 8. A buckle for connecting free ends of harness belts in a child safety seat, the seat having at least right and left lap belt ends, right and left shoulder belt end, and an anchor belt end, the buckle comprising: a main body connected to the anchor belt end and having right and left receptacles with right and left outer faces, respectively;right and left lap belt connectors attached to the right and left lap belt ends, respectively, each lap belt connector having an elongate tang laterally extending from a base along an insertion axis, each tang being partially disposed within a respective receptacle;right and left shoulder belt connectors connected to the right and left shoulder belt portions, respectively, each shoulder belt connector having a pair of flexible legs extending downwardly therefrom toward respective distal ends, the distal ends being spaced to prevent passage of a respective tang therebetween when the legs are unflexed, the unflexed legs defining an aperture through which the right and left tangs extend, respectively, the legs being positioned along the insertion axis between and in adjacent contact with a respective base and outer face, each leg further having a retainer tab extending therefrom and engaging a respective receptacle to limit leg flexure so that spacing between the distal ends prevents passage of a tang therebetween. 9. The buckle of claim 8, wherein each retainer tab further includes an upwardly oriented first ramped surface to interact with the respective tang to flex the legs outwardly away from the tang when retainer tabs are disengaged from the receptacles and the shoulder belt connectors are moved generally upwardly perpendicularly to the insertion axis. 10. The buckle of claim 9, wherein each tang further comprises at least one retainer tab adjacent to the base, and at least one leg further comprises an interlocking wedge with a stop face, the stop face engaging the at least one retainer tab when the respective shoulder belt connector is in adjacent contact with the respective base to inhibit movement of the respective shoulder belt connector away from the respective base along the insertion axis. 11. The buckle of claim 10, wherein each retainer tab further includes an upwardly oriented first ramped surface to interact with the respective tang to flex the legs outwardly away from the respective tang when retainer tab is disengaged from the respective receptacle and the respective shoulder belt connector is moved generally upwardly perpendicularly to the insertion axis. 12. The buckle of claim 11, wherein each retainer tab further includes a downwardly oriented second ramped surface to interact with the respective tang to flex the legs outwardly away from the respective tang to allow the respective shoulder belt connector to be engaged on the respective tang when respective shoulder belt connector is moved generally downwardly perpendicularly to the insertion axis. 13. The buckle of claim 8, wherein the main body further comprises a locking mechanism to retain the tang in the receptacle and enable selective release of the tang. 14. A method for connecting free ends of harness belts in a child safety seat to secure a child therein, the method comprising the steps of: providing at least right and left lap belt ends, right and left shoulder belt end, and an anchor belt end;providing a main body connected to the anchor belt end and having right and left receptacles, each receptacle having an outer face;providing right and left lap belt connectors attached to the right and left lap belt ends, respectively, each lap belt connector having an elongate tang laterally extending from a base along an insertion axis, each tang being configured to be partially received by a respective receptacle by movement along the insertion axis toward the respective outer face;providing right and left shoulder belt connectors connected to the right and left shoulder belt portions, respectively, each shoulder belt connector having a pair of flexible legs extending downwardly therefrom toward respective distal ends to form, when unflexed, an aperture through which the respective tang may be positioned to engage the respective shoulder belt connector on the respective lap belt connector, the distal ends being spaced to prevent passage of a respective tang therebetween when the legs are unflexed;providing a retainer tab on each leg extending generally parallel to the insertion axis;positioning the right and left shoulder belt connectors so that right and left tangs, respectively, extend through the respective apertures, and the legs are in adjacent contact with the respective base of the right and left lap belt connectors; andinserting the right and left tangs into the right and left receptacles, respectively, until the respective legs of the right and left shoulder belt connectors are in adjacent contact with the right and left outer faces, respectively, and the retainer tabs are engaged in the respective receptacles to limit leg flexure so that spacing between the distal ends prevents passage of a tang therebetween. 15. The method of claim 14, further comprising the steps of: providing at least one retainer tab adjacent to the base on each tang; andproviding an interlocking wedge with a stop face, on at least one leg of each shoulder belt connector, each stop face configured to engage the respective at least one retainer tab when the shoulder belt connector is in adjacent contact with the base to inhibit movement of the shoulder belt connector away from the base along the insertion axis. 16. The method of claim 15, further comprising the steps of: providing a locking mechanism on the main body to retain the right and left tangs in the right and left receptacles, respectively, the locking mechanism preventing disengagement of the tangs from the receptacles unless selectively released; andreleasing the tangs from the receptacles by selective release of the locking mechanism.

인용문헌 (15)

이 특허를 인용한 특허 (1)

Welch, Alfonzo, Child car seat chest clip.

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Break-away buckle for a child restraint

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Break-away buckle for a child restraint

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